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Mathematics, 05.11.2019 10:31 ctyrector

1. (9m + 6) + (–5m – 6)

a= 4m + 12
b= 14m + 12
c= 14m – 12
d=4m

3. (6h + 1) – (9h + 4)

a= –3h – 3
b= 15h – 5
c= –3h + 3
d= –3h + 5

5. (4x + 4) + (3x + 2 + 1)

a= 7x + 3
b= x + 7
c= 7x + 7
d=8x + 6

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1. (9m + 6) + (–5m – 6)

a= 4m + 12
b= 14m + 12
c= 14m – 12
d=4m
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